Integrand size = 24, antiderivative size = 798 \[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^3 \, dx=\frac {85 c^2 x \sqrt {c+a^2 c x^2}}{12096 a^3}-\frac {c^2 x^3 \sqrt {c+a^2 c x^2}}{240 a}-\frac {1}{504} a c^2 x^5 \sqrt {c+a^2 c x^2}-\frac {6157 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{60480 a^4}-\frac {47 c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)}{30240 a^2}+\frac {67 c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)}{2520}+\frac {1}{84} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)+\frac {47 c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)^2}{896 a^3}-\frac {205 c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)^2}{4032 a}-\frac {103 a c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)^2}{1008}-\frac {1}{24} a^3 c^2 x^7 \sqrt {c+a^2 c x^2} \arctan (a x)^2-\frac {115 i c^3 \sqrt {1+a^2 x^2} \arctan \left (e^{i \arctan (a x)}\right ) \arctan (a x)^2}{1344 a^4 \sqrt {c+a^2 c x^2}}-\frac {2 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)^3}{63 a^4}+\frac {c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^3}{63 a^2}+\frac {5}{21} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)^3+\frac {19}{63} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)^3+\frac {1}{9} a^4 c^2 x^8 \sqrt {c+a^2 c x^2} \arctan (a x)^3+\frac {1433 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {c+a^2 c x^2}}\right )}{15120 a^4}+\frac {115 i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \operatorname {PolyLog}\left (2,-i e^{i \arctan (a x)}\right )}{1344 a^4 \sqrt {c+a^2 c x^2}}-\frac {115 i c^3 \sqrt {1+a^2 x^2} \arctan (a x) \operatorname {PolyLog}\left (2,i e^{i \arctan (a x)}\right )}{1344 a^4 \sqrt {c+a^2 c x^2}}-\frac {115 c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (3,-i e^{i \arctan (a x)}\right )}{1344 a^4 \sqrt {c+a^2 c x^2}}+\frac {115 c^3 \sqrt {1+a^2 x^2} \operatorname {PolyLog}\left (3,i e^{i \arctan (a x)}\right )}{1344 a^4 \sqrt {c+a^2 c x^2}} \]
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Time = 13.85 (sec) , antiderivative size = 798, normalized size of antiderivative = 1.00, number of steps used = 547, number of rules used = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {5070, 5072, 5050, 223, 212, 5010, 5008, 4266, 2611, 2320, 6724, 327} \[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^3 \, dx=\frac {1}{9} a^4 c^2 \sqrt {a^2 c x^2+c} \arctan (a x)^3 x^8-\frac {1}{24} a^3 c^2 \sqrt {a^2 c x^2+c} \arctan (a x)^2 x^7+\frac {19}{63} a^2 c^2 \sqrt {a^2 c x^2+c} \arctan (a x)^3 x^6+\frac {1}{84} a^2 c^2 \sqrt {a^2 c x^2+c} \arctan (a x) x^6-\frac {103 a c^2 \sqrt {a^2 c x^2+c} \arctan (a x)^2 x^5}{1008}-\frac {1}{504} a c^2 \sqrt {a^2 c x^2+c} x^5+\frac {5}{21} c^2 \sqrt {a^2 c x^2+c} \arctan (a x)^3 x^4+\frac {67 c^2 \sqrt {a^2 c x^2+c} \arctan (a x) x^4}{2520}-\frac {205 c^2 \sqrt {a^2 c x^2+c} \arctan (a x)^2 x^3}{4032 a}-\frac {c^2 \sqrt {a^2 c x^2+c} x^3}{240 a}+\frac {c^2 \sqrt {a^2 c x^2+c} \arctan (a x)^3 x^2}{63 a^2}-\frac {47 c^2 \sqrt {a^2 c x^2+c} \arctan (a x) x^2}{30240 a^2}+\frac {47 c^2 \sqrt {a^2 c x^2+c} \arctan (a x)^2 x}{896 a^3}+\frac {85 c^2 \sqrt {a^2 c x^2+c} x}{12096 a^3}-\frac {2 c^2 \sqrt {a^2 c x^2+c} \arctan (a x)^3}{63 a^4}-\frac {115 i c^3 \sqrt {a^2 x^2+1} \arctan \left (e^{i \arctan (a x)}\right ) \arctan (a x)^2}{1344 a^4 \sqrt {a^2 c x^2+c}}-\frac {6157 c^2 \sqrt {a^2 c x^2+c} \arctan (a x)}{60480 a^4}+\frac {1433 c^{5/2} \text {arctanh}\left (\frac {a \sqrt {c} x}{\sqrt {a^2 c x^2+c}}\right )}{15120 a^4}+\frac {115 i c^3 \sqrt {a^2 x^2+1} \arctan (a x) \operatorname {PolyLog}\left (2,-i e^{i \arctan (a x)}\right )}{1344 a^4 \sqrt {a^2 c x^2+c}}-\frac {115 i c^3 \sqrt {a^2 x^2+1} \arctan (a x) \operatorname {PolyLog}\left (2,i e^{i \arctan (a x)}\right )}{1344 a^4 \sqrt {a^2 c x^2+c}}-\frac {115 c^3 \sqrt {a^2 x^2+1} \operatorname {PolyLog}\left (3,-i e^{i \arctan (a x)}\right )}{1344 a^4 \sqrt {a^2 c x^2+c}}+\frac {115 c^3 \sqrt {a^2 x^2+1} \operatorname {PolyLog}\left (3,i e^{i \arctan (a x)}\right )}{1344 a^4 \sqrt {a^2 c x^2+c}} \]
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Rule 212
Rule 223
Rule 327
Rule 2320
Rule 2611
Rule 4266
Rule 5008
Rule 5010
Rule 5050
Rule 5070
Rule 5072
Rule 6724
Rubi steps \begin{align*} \text {integral}& = c \int x^3 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^3 \, dx+\left (a^2 c\right ) \int x^5 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^3 \, dx \\ & = c^2 \int x^3 \sqrt {c+a^2 c x^2} \arctan (a x)^3 \, dx+2 \left (\left (a^2 c^2\right ) \int x^5 \sqrt {c+a^2 c x^2} \arctan (a x)^3 \, dx\right )+\left (a^4 c^2\right ) \int x^7 \sqrt {c+a^2 c x^2} \arctan (a x)^3 \, dx \\ & = c^3 \int \frac {x^3 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx+\left (a^2 c^3\right ) \int \frac {x^5 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx+\left (a^4 c^3\right ) \int \frac {x^7 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx+2 \left (\left (a^2 c^3\right ) \int \frac {x^5 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx+\left (a^4 c^3\right ) \int \frac {x^7 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx\right )+\left (a^6 c^3\right ) \int \frac {x^9 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx \\ & = \frac {c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^3}{3 a^2}+\frac {1}{5} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)^3+\frac {1}{7} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)^3+\frac {1}{9} a^4 c^2 x^8 \sqrt {c+a^2 c x^2} \arctan (a x)^3-\frac {1}{5} \left (4 c^3\right ) \int \frac {x^3 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx-\frac {\left (2 c^3\right ) \int \frac {x \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx}{3 a^2}-\frac {c^3 \int \frac {x^2 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx}{a}-\frac {1}{5} \left (3 a c^3\right ) \int \frac {x^4 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{7} \left (6 a^2 c^3\right ) \int \frac {x^5 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx+2 \left (\frac {1}{5} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)^3+\frac {1}{7} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)^3-\frac {1}{5} \left (4 c^3\right ) \int \frac {x^3 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{5} \left (3 a c^3\right ) \int \frac {x^4 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{7} \left (6 a^2 c^3\right ) \int \frac {x^5 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{7} \left (3 a^3 c^3\right ) \int \frac {x^6 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx\right )-\frac {1}{7} \left (3 a^3 c^3\right ) \int \frac {x^6 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{9} \left (8 a^4 c^3\right ) \int \frac {x^7 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx-\frac {1}{3} \left (a^5 c^3\right ) \int \frac {x^8 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx \\ & = -\frac {c^2 x \sqrt {c+a^2 c x^2} \arctan (a x)^2}{2 a^3}-\frac {3 c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)^2}{20 a}-\frac {1}{14} a c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)^2-\frac {1}{24} a^3 c^2 x^7 \sqrt {c+a^2 c x^2} \arctan (a x)^2-\frac {2 c^2 \sqrt {c+a^2 c x^2} \arctan (a x)^3}{3 a^4}+\frac {c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^3}{15 a^2}+\frac {1}{35} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)^3+\frac {1}{63} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)^3+\frac {1}{9} a^4 c^2 x^8 \sqrt {c+a^2 c x^2} \arctan (a x)^3+\frac {1}{10} \left (3 c^3\right ) \int \frac {x^3 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{35} \left (24 c^3\right ) \int \frac {x^3 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx+\frac {c^3 \int \frac {\arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx}{2 a^3}+\frac {\left (2 c^3\right ) \int \frac {\arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx}{a^3}+\frac {\left (8 c^3\right ) \int \frac {x \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx}{15 a^2}+\frac {c^3 \int \frac {x \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx}{a^2}+\frac {\left (9 c^3\right ) \int \frac {x^2 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx}{20 a}+\frac {\left (4 c^3\right ) \int \frac {x^2 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx}{5 a}+\frac {1}{14} \left (5 a c^3\right ) \int \frac {x^4 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{35} \left (18 a c^3\right ) \int \frac {x^4 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{7} \left (a^2 c^3\right ) \int \frac {x^5 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx+2 \left (-\frac {3 c^2 x^3 \sqrt {c+a^2 c x^2} \arctan (a x)^2}{20 a}-\frac {1}{14} a c^2 x^5 \sqrt {c+a^2 c x^2} \arctan (a x)^2-\frac {4 c^2 x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^3}{15 a^2}+\frac {1}{35} c^2 x^4 \sqrt {c+a^2 c x^2} \arctan (a x)^3+\frac {1}{7} a^2 c^2 x^6 \sqrt {c+a^2 c x^2} \arctan (a x)^3+\frac {1}{10} \left (3 c^3\right ) \int \frac {x^3 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{35} \left (24 c^3\right ) \int \frac {x^3 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx+\frac {\left (8 c^3\right ) \int \frac {x \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx}{15 a^2}+\frac {\left (9 c^3\right ) \int \frac {x^2 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx}{20 a}+\frac {\left (4 c^3\right ) \int \frac {x^2 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx}{5 a}+\frac {1}{14} \left (5 a c^3\right ) \int \frac {x^4 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{35} \left (18 a c^3\right ) \int \frac {x^4 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{7} \left (a^2 c^3\right ) \int \frac {x^5 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx\right )+\frac {1}{21} \left (16 a^2 c^3\right ) \int \frac {x^5 \arctan (a x)^3}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{24} \left (7 a^3 c^3\right ) \int \frac {x^6 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{21} \left (8 a^3 c^3\right ) \int \frac {x^6 \arctan (a x)^2}{\sqrt {c+a^2 c x^2}} \, dx+\frac {1}{12} \left (a^4 c^3\right ) \int \frac {x^7 \arctan (a x)}{\sqrt {c+a^2 c x^2}} \, dx \\ & = \text {Too large to display} \\ \end{align*}
Time = 5.37 (sec) , antiderivative size = 850, normalized size of antiderivative = 1.07 \[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^3 \, dx=\frac {c^2 \sqrt {c+a^2 c x^2} \left (774144 \left (-11 i \arctan \left (e^{i \arctan (a x)}\right ) \arctan (a x)^2+10 \text {arctanh}\left (\frac {a x}{\sqrt {1+a^2 x^2}}\right )+11 i \arctan (a x) \operatorname {PolyLog}\left (2,-i e^{i \arctan (a x)}\right )-11 i \arctan (a x) \operatorname {PolyLog}\left (2,i e^{i \arctan (a x)}\right )-11 \operatorname {PolyLog}\left (3,-i e^{i \arctan (a x)}\right )+11 \operatorname {PolyLog}\left (3,i e^{i \arctan (a x)}\right )\right )+256 \left (-16407 i \arctan \left (e^{i \arctan (a x)}\right ) \arctan (a x)^2+12788 \text {arctanh}\left (\frac {a x}{\sqrt {1+a^2 x^2}}\right )+16407 i \arctan (a x) \operatorname {PolyLog}\left (2,-i e^{i \arctan (a x)}\right )-16407 i \arctan (a x) \operatorname {PolyLog}\left (2,i e^{i \arctan (a x)}\right )-16407 \operatorname {PolyLog}\left (3,-i e^{i \arctan (a x)}\right )+16407 \operatorname {PolyLog}\left (3,i e^{i \arctan (a x)}\right )\right )-16128 \left (1+a^2 x^2\right )^{5/2} \left (\frac {48 a x}{\left (1+a^2 x^2\right )^2}+32 \arctan (a x)^3 (-1+5 \cos (2 \arctan (a x)))+6 \arctan (a x) (25+36 \cos (2 \arctan (a x))+11 \cos (4 \arctan (a x)))+\arctan (a x)^2 (6 \sin (2 \arctan (a x))-33 \sin (4 \arctan (a x)))\right )+576 \left (64 \left (309 i \arctan \left (e^{i \arctan (a x)}\right ) \arctan (a x)^2-259 \text {arctanh}\left (\frac {a x}{\sqrt {1+a^2 x^2}}\right )-309 i \arctan (a x) \operatorname {PolyLog}\left (2,-i e^{i \arctan (a x)}\right )+309 i \arctan (a x) \operatorname {PolyLog}\left (2,i e^{i \arctan (a x)}\right )+309 \operatorname {PolyLog}\left (3,-i e^{i \arctan (a x)}\right )-309 \operatorname {PolyLog}\left (3,i e^{i \arctan (a x)}\right )\right )+\left (1+a^2 x^2\right )^{7/2} \left (64 \arctan (a x)^3 (57-28 \cos (2 \arctan (a x))+35 \cos (4 \arctan (a x)))+\frac {8 \arctan (a x) (647+764 \cos (2 \arctan (a x))+309 \cos (4 \arctan (a x)))}{1+a^2 x^2}+4 (101 \sin (2 \arctan (a x))+88 \sin (4 \arctan (a x))+25 \sin (6 \arctan (a x)))-3 \arctan (a x)^2 (211 \sin (2 \arctan (a x))-60 \sin (4 \arctan (a x))+103 \sin (6 \arctan (a x)))\right )\right )-\left (1+a^2 x^2\right )^{9/2} \left (1536 \arctan (a x)^3 (-178+711 \cos (2 \arctan (a x))-126 \cos (4 \arctan (a x))+105 \cos (6 \arctan (a x)))+\frac {8 \arctan (a x) (87630+153529 \cos (2 \arctan (a x))+59266 \cos (4 \arctan (a x))+16407 \cos (6 \arctan (a x)))}{1+a^2 x^2}+74932 \sin (2 \arctan (a x))+77908 \sin (4 \arctan (a x))+36612 \sin (6 \arctan (a x))+3 \arctan (a x)^2 (13074 \sin (2 \arctan (a x))-26742 \sin (4 \arctan (a x))+6362 \sin (6 \arctan (a x))-5469 \sin (8 \arctan (a x)))+7238 \sin (8 \arctan (a x))\right )\right )}{15482880 a^4 \sqrt {1+a^2 x^2}} \]
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Time = 19.27 (sec) , antiderivative size = 525, normalized size of antiderivative = 0.66
method | result | size |
default | \(\frac {c^{2} \sqrt {c \left (a x -i\right ) \left (a x +i\right )}\, \left (13440 \arctan \left (a x \right )^{3} a^{8} x^{8}-5040 \arctan \left (a x \right )^{2} a^{7} x^{7}+36480 \arctan \left (a x \right )^{3} a^{6} x^{6}+1440 a^{6} \arctan \left (a x \right ) x^{6}-12360 a^{5} \arctan \left (a x \right )^{2} x^{5}+28800 a^{4} \arctan \left (a x \right )^{3} x^{4}-240 a^{5} x^{5}+3216 \arctan \left (a x \right ) a^{4} x^{4}-6150 a^{3} \arctan \left (a x \right )^{2} x^{3}+1920 \arctan \left (a x \right )^{3} x^{2} a^{2}-504 a^{3} x^{3}-188 a^{2} \arctan \left (a x \right ) x^{2}+6345 a \arctan \left (a x \right )^{2} x -3840 \arctan \left (a x \right )^{3}+850 a x -12314 \arctan \left (a x \right )\right )}{120960 a^{4}}+\frac {115 c^{2} \sqrt {c \left (a x -i\right ) \left (a x +i\right )}\, \left (i \arctan \left (a x \right )^{3}-3 \arctan \left (a x \right )^{2} \ln \left (1+\frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )+6 i \arctan \left (a x \right ) \operatorname {polylog}\left (2, -\frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )-6 \operatorname {polylog}\left (3, -\frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )\right )}{8064 a^{4} \sqrt {a^{2} x^{2}+1}}-\frac {115 c^{2} \sqrt {c \left (a x -i\right ) \left (a x +i\right )}\, \left (i \arctan \left (a x \right )^{3}-3 \arctan \left (a x \right )^{2} \ln \left (1-\frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )+6 i \arctan \left (a x \right ) \operatorname {polylog}\left (2, \frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )-6 \operatorname {polylog}\left (3, \frac {i \left (i a x +1\right )}{\sqrt {a^{2} x^{2}+1}}\right )\right )}{8064 a^{4} \sqrt {a^{2} x^{2}+1}}-\frac {1433 i c^{2} \sqrt {c \left (a x -i\right ) \left (a x +i\right )}\, \arctan \left (\frac {i a x +1}{\sqrt {a^{2} x^{2}+1}}\right )}{7560 a^{4} \sqrt {a^{2} x^{2}+1}}\) | \(525\) |
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\[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^3 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{\frac {5}{2}} x^{3} \arctan \left (a x\right )^{3} \,d x } \]
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\[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^3 \, dx=\int x^{3} \left (c \left (a^{2} x^{2} + 1\right )\right )^{\frac {5}{2}} \operatorname {atan}^{3}{\left (a x \right )}\, dx \]
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\[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^3 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{\frac {5}{2}} x^{3} \arctan \left (a x\right )^{3} \,d x } \]
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Exception generated. \[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^3 \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int x^3 \left (c+a^2 c x^2\right )^{5/2} \arctan (a x)^3 \, dx=\int x^3\,{\mathrm {atan}\left (a\,x\right )}^3\,{\left (c\,a^2\,x^2+c\right )}^{5/2} \,d x \]
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